Minor layout fixes, and link fixes. Changed notes to be optional in systems table

database/migrations/2021_06_19_043425_fix_systems.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class FixSystems extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+		DB::statement('ALTER TABLE systems ALTER COLUMN notes DROP NOT NULL');
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        // Noop
+    }
+}